* g++.dg/pch/pch.exp: Copy test header to the working directory
        before using it either for precompilation or direct use.
        * g++.dg/pch/*.Hs: Rename from gcc.dg/pch/*.H.
        * g++.dg/pch/*.C: Include foo.H, not foo.Hp.

From-SVN: r61428